Adjust the brightness on your iPhone, iPad, or iPod touch

Adjust brightness in Control Center

On an iPhone 8 or earlier, or on an iPod touch, swipe up from the bottom edge of your display. On an iPad, swipe up from the bottom edge of your display, and continue to swipe up after the dock appears. On an iPhone X, swipe down from the top-right corner of your display.

Adjust brightness in Settings

Go to Settings > Display & Brightness.

Drag the slider to the right or left to adjust the brightness.

About brightness levels

iOS devices use an ambient light sensorto adjust brightness levels based on the light conditions around you. The sensor lowers brightness in dark locations and raises brightness in light locations. The auto-brightness feature is on by default.